ca2 induced troponin shift on the thin filaments
Tài liệu Báo cáo khoa học: Enzymatic and electron paramagnetic resonance studies of anabolic pyruvate synthesis by pyruvate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus doc
Ngày tải lên :
16/02/2014, 09:20
... defined as the reduction of lmolÆmin)1 of metronidazole (corresponding to the decarboxylation of lmolÆmin)1 of pyruvate on the assumption that the bleaching of the chromophore is a one-electron process) ... reactions was reductively converted to lactate with NADH as an electron donor Thus, the rate of pyruvate formation was monitored as the decrease in A340 as a result of NADH oxidation The thermostable ... pyruvate remains on the TPP intermediate, and the other electron moves to the intramolecular iron-sulfur cluster [42] Consistent with this mechanism, the oxi- A B Fig Hyperfine structures of the EPR signal...
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Báo cáo khoa học: Thiaminylated adenine nucleotides Chemical synthesis, structural characterization and natural occurrence potx
Ngày tải lên :
07/03/2014, 01:20
... Composition of the reaction medium during the condensation of ThDP or ThMP with AMP in the presence of N,N¢-dicyclohexylcarbodiimide (A) Chromatographic separation of the reaction mixture using the ... Chromatographic separation of the reaction mixture using the substrates ThMP and 5¢-AMP after 90 at room temperature (C) Composition of the reaction mixture as a function of time for the condensation of ThDP ... observe any accumulation of AThDP inside or outside the bacteria Because of the poor description of the methods used in the patent and the lack of any description of the compound synthesized, it is...
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Báo cáo khoa học: Methylene analogues of adenosine 5¢-tetraphosphate Their chemical synthesis and recognition by human and plant mononucleoside tetraphosphatases and dinucleoside tetraphosphatases pot
Ngày tải lên :
16/03/2014, 14:20
... front After completion of the reactions, the glycosidase was heat inactivated (3 at 96 °C) and the mixtures used directly as a source of the depurinated compounds The highest concentration of these ... as one of the reaction products [26] Degradation of p4A can be controlled by various nonspecific and specific pnN-degrading enzymes [26,27] Among studies that shed light on the mechanism of the ... which the P–O–P bond between c and d phosphate remains unchanged; (c) the human hydrolase is sensitive to the –CH2– insert even in the most distant position from the reaction site, i.e between the...
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Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot
Ngày tải lên :
23/03/2014, 13:20
... further determine the configuration of this carbohydrate However, the different elution profiles of the native tx5a and the synthetic peptides constructed with the carbohydrate in the T-antigen configuration ... a-D-Gal-(1fi3)-a-D-GalNAc configuration Taken together, these data demonstrate that two Conus glycopeptides identified to date possess the same monosaccharide constituents within their glycan, Gal and GalNAc, but their ... used The peptide synthesizer used conductance monitoring to check the efficiency of the coupling reactions In order to scale up the automated synthesis to the same level as the manual synthesis...
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Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf
Ngày tải lên :
21/06/2014, 04:20
... oxidation was observed on the as-synthesized metal Co NCs even after aging for over month under ambient conditions This indicates that the Co NCs are very stable after surface modification with ... taken from different parts along the NC axis show the same features, indicating the same periodical orientation along the single-crystalline Co NC Based on micro-composition-analysis, Figure 3a gives ... Typically, the purified Co NCs were dispersed into de-ionized water by ultrasonic agitation A drop of the Co NCs solution was dripped on a copper grid with holes and carbon film to characterize the...
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09 Physical and Chemical Characteristics of DDGS revisions.
Ngày tải lên :
08/08/2012, 10:03
... 127 to 621º C The amount of time DDGS spends in the dryer also influences the color In general, the higher the dryer temperature and the longer DDGS remains in the dryer, the darker the resulting ... collected in the pan was less than 600 microns The weights of DDGS collected on each screen were then used to calculate the percentage of weight of each fraction of the total separated In addition to ... distribution, storage temperature, relative humidity, time, compaction pressure distribution within the product mass, vibrations during transport and/or variations in the levels of these factors...
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Different physical and chemical pretreatments of wheat straw for enhanced biobutanol production in simultaneous saccharification and fermentation
Ngày tải lên :
05/09/2013, 15:28
... 2.5% biomass concentration However, Figure illustrated biomass concentrations were linearly proportional to sugar concentrations So the concentrations from 2.5% biomass concentration could be compared ... Hemicelluloses on the other hand, were complex, which required optimum conditions of enzymes to successfully break away each bond between two sugar monomers Figure Comparison of sugar concentrations during ... Glucose and xylose concentrations increased when monoethanolamine (MEA) concentrations increased Similar sugar concentrations were produced with 0.5% to 2.0% alkaline concentrations These results were...
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Tài liệu PHYSICAL AND CHEMICAL ASPECTS OF ORGANIC ELECTRONIC doc
Ngày tải lên :
16/02/2014, 19:20
... when depositing on the surface In the initial stage of the deposition, the molecules maintain the conformation of the free molecule so that nucleation is significantly delayed and thin, well ordered, ... Bectron® Varnish 389 High-k Resist 390 OFET on Foil Substrates 391 Conclusion 392 Degradation 393 Conclusion 398 Acknowledgements 399 References 399 19 Influence of Metal Diffusion on the Electronic ... the intense light of a laser beam The drum is then brought into contact with toner particles that adhere to the charged parts of the drum but not to the illuminated regions In the last step the...
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Tài liệu Báo cáo khoa học: a-Defensins increase lung fibroblast proliferation and collagen synthesis via the b-catenin signaling pathway doc
Ngày tải lên :
18/02/2014, 06:20
... whether the a-defensin -induced alteration in intracellular collagen-I protein content in lung fibroblasts results in corresponding changes in collagen release from the cells, the collagen content ... proliferation and collagen synthesis To clarify whether b-catenin is responsible for defensin -induced increases in lung fibroblast proliferation and in collagen synthesis, the protein expression of ... the lungs of IPF patients [30] Collagen-I expression and cell proliferation in human skin fibroblasts in response to irradiation both depend on activation of the Wnt ⁄ b-catenin pathway [31] The...
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Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf
Ngày tải lên :
20/02/2014, 23:20
... resolution of deoxy protons belonging to Kdo-residues The alkaline conditions led to upfield shifts of signals of H-2 belonging to GlcN-residues For comparison, the same spectra and an additional ... stimulation of human MNC, higher LPS concentrations had to be used under these conditions Nevertheless, in these cells the LPS antagonist, B1233, was able to completely block activation TLR4/MD-2 ... substitution also leads to a b -shift of the C-5 carbon whereas carbon resonates at lower field in comparison to Kdo which is unsubstituted at this position [19] Because Kdo lacks an anomeric proton, the...
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Tài liệu Báo cáo Y học: Steady-state kinetics of the glutaminase reaction of CTP synthase from Lactococcus lactis The role of the allosteric activator GTP in coupling between glutamine hydrolysis and CTP synthesis potx
Ngày tải lên :
21/02/2014, 15:20
... position DH is the molar enthalpy of the reaction under the chosen experimental conditions, and [E] is the enzyme concentration The correction for the enzyme dilution and liquid displacement upon ... locks the enzyme in the active form for CTP synthesis and thereby stimulates the kcat of the reaction Since GTP actually will activate the uncoupled glutaminase reaction the structure of the monomer ... respectively The corrections for the dilution of substrate already present in the reaction cell upon further substrate injection and for the decrease in substrate concentration with time were calculated...
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Lecture 3 DNA RNA and protein synthesis great
Ngày tải lên :
13/03/2014, 16:36
... Transfer RNA brings amino acids to the ribosome to match the sequence codes At the ribosome, Amino acids bond together and form polypeptides, Which bond together to make proteins Some examples ... synthesis, then, happens this way: DNA sequence codes (how letters are put together) produce messenger RNA sequence codes The messenger RNA leaves the nucleus and attaches to a ribosome in the ... vs tree protein? The answer is DNA! The species-particular DNA sequences produce the species-particular proteins GENES code for proteins GENES are long strands of DNA on chromosomes What...
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HANDBOOK ON CHEMICAL WEAPONS CONVENTION FOR INDIAN CHEMICAL INDUSTRY AND CHEMICAL TRADERS ppt
Ngày tải lên :
14/03/2014, 19:20
... the Convention There are also States, who have neither signed nor acceded to the Convention as on 31st March 2010 India is one of the early signatory country and signed the Convention on 13th January, ... Inspections The general aim of inspection is to verify that activities are consistent with the information provided in declarations The particular aim of the inspection shall be the verification of the ... the inspection and to its Preliminary Findings Protection of confidential information is one of the very important obligations of OPCW pertaining to the verification (Inspection) activities The...
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Aircraft measurements over Europe of an air pollution plume from Southeast Asia – aerosol and chemical characterization pot
Ngày tải lên :
15/03/2014, 20:20
... Pollution (http://www.htap.org/) was founded by the United Nations Economic Commission for Europe (UNECE) under the Convention on Long-range Transboundary Air Pollution, and international partner ... processes were considered here Thus, the only purpose of the model simulations is to identify the regions affected by pollution plumes and to understand the pollution transport in relation to the synoptic ... and the position of the aircraft at the time of the image is marked by a cross Overall, the comparison between the FLEXPART simulation and the AIRS retrievals shows excellent agreement over the...
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Concentration and chemical speciations of cu, zn, pb and cr of urban soils in nanjing, china
Ngày tải lên :
15/03/2014, 23:22
... uptake, the carbonate fraction was susceptible to pH changes, the Fe –Mn oxide fraction was unstable under low Eh conditions, the organic fraction could be degraded under oxidizing conditions and the ... and the lowest in the urban park soils; this suggests that the emission from vehicles may be the main source of Pb contamination in urban soils The concentrations of Cu, Zn, Pb and Cr in non-urban ... Pb concentration in urban soils are higher than pollution evaluation criteria (57.4 mg kgÀ 1), with the exception of several urban park soils The mean concentration of Pb is the highest in the...
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Báo cáo khoa học: Soluble recombinant CD69 receptors optimized to have an exceptional physical and chemical stability display prolonged circulation and remain intact in the blood of mice doc
Ngày tải lên :
16/03/2014, 04:20
... little effect on the rotational diffusion of the well-ordered portion of the protein In conclusion, NMR 15N relaxation combined with hydrodynamic calculations demonstrated the presence of the dimer ... precipitation or biochemical degradation, even after several months Addition of common salts containing monovalent ions (NaCl, or KCl, up to m concentrations) appeared to have little influence on the ... time, c0 is the initial concentration and k is the first order rate constant [43] The calculation of the plasma clearance and the apparent volume of distribution was based on a 5604 one-compartment...
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Integrated Systems of Meso-Meteorological and Chemical Transport Models docx
Ngày tải lên :
16/03/2014, 23:20
... whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other ... lectors/speakers of the Copenhagen workshop, is focused on above mentioned workshop topics, summarizes presentations, discussions, conclusions, and provides recommendations The book is one of the first attempts ... and forecasting is of the outmost importance Furthermore, climate change and pollution of the environment not obey national borders; so, international collaboration on these issues is indeed...
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Báo cáo khoa học: High thermal and chemical stability of Thermus thermophilus seven-iron ferredoxin Linear clusters form at high pH on polypeptide unfolding doc
Ngày tải lên :
16/03/2014, 23:20
... unfolding-transition midpoints as a function of pH and incubation time at 20 °C (summarized in Table 1) The transition midpoints shift to lower GdnHCl concentration as the incubation time is increased ... methods To probe the reaction by cluster integrity, the absorption at 408 nm was monitored (for FdTt samples with different pH and GdnHCl conditions) as a function of temperature The signal from ... probes were monitored as a function of time after the protein had been mixed with a high concentration of the chemical denaturant GdnHCl (7.9 M GdnHCl final concentration, 20 °C) Despite the high...
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